feat(multi-pdf): enhance PDF multi-tool functionality to allow drag n drop of PDF and images

fix(ocr): pin font CDN to rawcdn.githack.com with commit SHAs

src/pages/pdf-multi-tool.html

@@ -383,18 +383,18 @@
             class="text-gray-300 text-base sm:text-lg mb-1 sm:mb-2"
             data-i18n="multiTool.uploadPdfFiles"
           >
-            Select PDF Files
+            Select PDF or image files
           </p>
           <p
             class="text-gray-400 text-xs sm:text-sm mb-3 sm:mb-4"
             data-i18n="multiTool.dragAndDrop"
           >
-            Drag and drop PDF files here, or click to select
+            Drag and drop PDF or image files here, or click to select
           </p>
           <input
             type="file"
             id="pdf-file-input"
-            accept="application/pdf"
+            accept="application/pdf,image/*,.heic,.heif,.jpg,.jpeg,.png,.bmp,.gif,.tiff,.tif,.webp,.svg,.psd,.jp2,.jpx,.jxr,.pnm,.pgm,.pbm,.ppm,.pam"
             multiple
             class="hidden"
           />